天井钻机是利用旋转钻进破岩成孔并能反向扩孔的井筒开挖机械设备。美国于1962年开始应用天井钻机,到20世纪90年代初,国外地下矿山用钻进法掘进各种用途天井得到迅速推广,天井钻机得到卓有成效的应用。
准/规范中文名: 天井钻机 标准/规范英文名: Raise-boring machines 标准状态: 已作废 原文语种: 中文 译文语种: 英文 原文页数: 7页 中文字数: 4725字 标准分类: 国家标准(GB) 中标分类1:
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...钻机; 天井钻机; 轨道式凿岩台车; 稳定性; 深孔分段爆破法掘进天井[gap=895]Key words: down-the-hole drills; raise borers; track-mounted drill jumbos; stability; longhole raising...
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... ground engineering 地基工程 raise drills 天井钻机 rock reinforcement&boltting 岩石加固和锚固 ...
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本文着重介绍了天井钻机卡盘轴向浮动量的计算方法,并附有实例。
This paper placed emphasis on the introduction of the calculating method for the axial flotation value in raise-borer chuck and some examples were also given for further illustration.
为了解决倾斜矿体开采中斜天井掘进问题,我院新开发了我国第一代斜天井钻机产品。
The said incline raise borer, developed by Changsha Institute of Mining Re-search for incline raise boring in dip onebody mining, is the first generation product in Chi-na.
本文介绍了国内天井钻机的几种快速升降系统及其作用并对其进行了分析,提出了改进建议。
Some Speed lifting Systems of domestic raise-boring machines are described. Based upon an analysis of their functions, some recommendations for their improvement are proposed.
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